CVE-2026-66339
gir1.2-soup-2.4: A flaw was found in libsoup
CVE-2026-66339 is fixed in 22 products on 1 platform, first by gir1.2-soup-2.4 2.62.1-1ubuntu0.4+esm9, released August 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0025
16th percentile
A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials, leading to information disclosure.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-soup-2.4 · Ubuntu 18.04.6 LTS (bionic) | 2.62.1-1ubuntu0.4+esm9 | gir1.2-soup-2.4 2.62.1-1ubuntu0.4+esm9 | Aug 25, 2026 |
| gir1.2-soup-2.4 · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm4 | gir1.2-soup-2.4 2.70.0-1ubuntu0.5+esm4 | Aug 25, 2026 |
| gir1.2-soup-2.4 · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.9 | gir1.2-soup-2.4 2.74.2-3ubuntu0.9 | Aug 25, 2026 |
| gir1.2-soup-2.4 · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.9 | gir1.2-soup-2.4 2.74.3-6ubuntu1.9 | Aug 25, 2026 |
| gir1.2-soup-2.4 · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm3 | gir1.2-soup-2.4 2.74.3-10.1ubuntu5+esm3 | Aug 25, 2026 |
| gir1.2-soup-3.0 · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm9 | gir1.2-soup-3.0 3.0.7-0ubuntu1+esm9 | Sep 4, 2026 |
| gir1.2-soup-3.0 · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.9 | gir1.2-soup-3.0 3.4.4-5ubuntu0.9 | Sep 4, 2026 |
| gir1.2-soup-3.0 · Ubuntu 26.04.1 LTS (resolute) | 3.6.6-1ubuntu0.1 | gir1.2-soup-3.0 3.6.6-1ubuntu0.1 | Sep 4, 2026 |
| libsoup · amzn 2023 | 2.72.0-6.amzn2023.0.15 | ALAS2023-2026-3154 | Nov 7, 2026 |
| libsoup · opensuse-leap 16.0 | 3.6.6-160000.5.1 | OPENSUSE-SU-2026:22181-1 | Nov 7, 2026 |
| libsoup · sles 15.6 | 3.4.4-150600.3.56.1 | SUSE-SU-2026:4558-1 | Oct 7, 2026 |
| libsoup · sles 15.7 | 3.4.4-150600.3.56.1 | SUSE-SU-2026:4558-1 | Oct 7, 2026 |
| libsoup · sles 16.0 | 3.6.6-160000.5.1 | SUSE-SU-2026:24470-1 | Nov 7, 2026 |
| libsoup-2.4-1 · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.9 | libsoup-2.4-1 2.74.3-6ubuntu1.9 | Aug 25, 2026 |
| libsoup-2.4-1 · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm3 | libsoup-2.4-1 2.74.3-10.1ubuntu5+esm3 | Aug 25, 2026 |
| libsoup-3.0-0 · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm9 | libsoup-3.0-0 3.0.7-0ubuntu1+esm9 | Sep 4, 2026 |
| libsoup-3.0-0 · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.9 | libsoup-3.0-0 3.4.4-5ubuntu0.9 | Sep 4, 2026 |
| libsoup-3.0-0 · Ubuntu 26.04.1 LTS (resolute) | 3.6.6-1ubuntu0.1 | libsoup-3.0-0 3.6.6-1ubuntu0.1 | Sep 4, 2026 |
| libsoup-3.0-common · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm9 | libsoup-3.0-common 3.0.7-0ubuntu1+esm9 | Sep 4, 2026 |
| libsoup-3.0-common · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.9 | libsoup-3.0-common 3.4.4-5ubuntu0.9 | Sep 4, 2026 |
| libsoup-3.0-common · Ubuntu 26.04.1 LTS (resolute) | 3.6.6-1ubuntu0.1 | libsoup-3.0-common 3.6.6-1ubuntu0.1 | Sep 4, 2026 |
| libsoup-3.0-tests · Ubuntu 22.04.1 LTS (jammy) | 3.0.7-0ubuntu1+esm9 | libsoup-3.0-tests 3.0.7-0ubuntu1+esm9 | Sep 4, 2026 |
| libsoup-3.0-tests · Ubuntu 24.04.5 LTS (noble) | 3.4.4-5ubuntu0.9 | libsoup-3.0-tests 3.4.4-5ubuntu0.9 | Sep 4, 2026 |
| libsoup-3.0-tests · Ubuntu 26.04.1 LTS (resolute) | 3.6.6-1ubuntu0.1 | libsoup-3.0-tests 3.6.6-1ubuntu0.1 | Sep 4, 2026 |
| libsoup-debuginfo · amzn 2023 | 2.72.0-6.amzn2023.0.15 | ALAS2023-2026-3154 | Nov 7, 2026 |
| libsoup-debugsource · amzn 2023 | 2.72.0-6.amzn2023.0.15 | ALAS2023-2026-3154 | Nov 7, 2026 |
| libsoup-devel · amzn 2023 | 2.72.0-6.amzn2023.0.15 | ALAS2023-2026-3154 | Nov 7, 2026 |
| libsoup-doc · amzn 2023 | 2.72.0-6.amzn2023.0.15 | ALAS2023-2026-3154 | Nov 7, 2026 |
| libsoup-gnome-2.4-1 · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.9 | libsoup-gnome-2.4-1 2.74.3-6ubuntu1.9 | Aug 25, 2026 |
| libsoup-gnome-2.4-1 · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm3 | libsoup-gnome-2.4-1 2.74.3-10.1ubuntu5+esm3 | Aug 25, 2026 |
| libsoup-gnome2.4-1 · Ubuntu 18.04.6 LTS (bionic) | 2.62.1-1ubuntu0.4+esm9 | libsoup-gnome2.4-1 2.62.1-1ubuntu0.4+esm9 | Aug 25, 2026 |
| libsoup-gnome2.4-1 · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm4 | libsoup-gnome2.4-1 2.70.0-1ubuntu0.5+esm4 | Aug 25, 2026 |
| libsoup-gnome2.4-1 · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.9 | libsoup-gnome2.4-1 2.74.2-3ubuntu0.9 | Aug 25, 2026 |
| libsoup2 · sles 15.6 | 2.74.3-150600.4.42.1 | SUSE-SU-2026:4703-1 | Nov 7, 2026 |
| libsoup2 · sles 15.7 | 2.74.3-150600.4.42.1 | SUSE-SU-2026:4703-1 | Nov 7, 2026 |
| libsoup2.4-1 · Ubuntu 18.04.6 LTS (bionic) | 2.62.1-1ubuntu0.4+esm9 | libsoup2.4-1 2.62.1-1ubuntu0.4+esm9 | Aug 25, 2026 |
| libsoup2.4-1 · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm4 | libsoup2.4-1 2.70.0-1ubuntu0.5+esm4 | Aug 25, 2026 |
| libsoup2.4-1 · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.9 | libsoup2.4-1 2.74.2-3ubuntu0.9 | Aug 25, 2026 |
| libsoup2.4-common · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.9 | libsoup2.4-common 2.74.2-3ubuntu0.9 | Aug 25, 2026 |
| libsoup2.4-common · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.9 | libsoup2.4-common 2.74.3-6ubuntu1.9 | Aug 25, 2026 |
| libsoup2.4-common · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm3 | libsoup2.4-common 2.74.3-10.1ubuntu5+esm3 | Aug 25, 2026 |
| libsoup2.4-tests · Ubuntu 20.04 LTS (focal) | 2.70.0-1ubuntu0.5+esm4 | libsoup2.4-tests 2.70.0-1ubuntu0.5+esm4 | Aug 25, 2026 |
| libsoup2.4-tests · Ubuntu 22.04.1 LTS (jammy) | 2.74.2-3ubuntu0.9 | libsoup2.4-tests 2.74.2-3ubuntu0.9 | Aug 25, 2026 |
| libsoup2.4-tests · Ubuntu 24.04.5 LTS (noble) | 2.74.3-6ubuntu1.9 | libsoup2.4-tests 2.74.3-6ubuntu1.9 | Aug 25, 2026 |
| libsoup2.4-tests · Ubuntu 26.04.1 LTS (resolute) | 2.74.3-10.1ubuntu5+esm3 | libsoup2.4-tests 2.74.3-10.1ubuntu5+esm3 | Aug 25, 2026 |
| libsoup3 · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-debuginfo · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-debugsource · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-devel · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
| libsoup3-doc · amzn 2023 | 3.7.2-1.amzn2023 | ALAS2023-2026-3144 | Sep 28, 2026 |
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